Answer:
locke poined the ideas of natural law, social contract, religion toleration, and the right to revolution that proved essential to both the amarican revolution and the U.S constitution that followed
I think the answer is colonization. Many European countries like Great Britain, France, Spain, and Portugal had started exploring the New World. These European Nations wanted to expand their territory and to spread religion and civilized barbarians in their colony.
With the influx of people to urban centers came the increasingly obvious problem of city layouts. The crowded streets which were, in some cases, the same paths as had been "naturally selected" by wandering cows in the past were barely passing for the streets of a quarter million commuters. In 1853, Napoleon III named Georges Haussmann "prefect of the Seine," and put him in charge of redeveloping Paris' woefully inadequate infrastructure (Kagan, The Western Heritage Vol. II, pp. 564-565). This was the first and biggest example of city planning to fulfill industrial needs that existed in Western Europe. Paris' narrow alleys and apparently random placement of intersections were transformed into wide streets and curving turnabouts that freed up congestion and aided in public transportation for the scientists and workers of the time. Man was no longer dependent on the natural layout of cities; form was beginning to follow function. Suburbs, for example, were springing up around major cities
The corruption within the communist Chinese government, lack of freedom of speech, press, and restriction on political participation. Inflation and the democratic movement in Eastern Europe are triggers of the incident.